Patents by Inventor Osamu Nakaji

Osamu Nakaji has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wound covering material
    Patent number: 4287177
    Abstract: The present invention provides a covering material consisting essentially of a hydrophilic, water insoluble polymer (component A), a high boiling plasticizer and/or organic solvent (component B) for said component A, and an aqueous liquid (component C). Said covering material is useful as a protective covering material for forming a film or coat on the skin and/or wound surface in the treatment of burn. The material is characterized in that film or coat formation on the skin and/or wound surface can be realized in a short time.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: September 1, 1981
    Assignees: Kuraray Co., Ltd., Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Toshihide Nakashima, Osamu Nakaji, Koichi Takakura, Takayoshi Suzuki
  • Method of and system for treating waste anesthetic gas
    Patent number: 4259303
    Abstract: The present invention provides a method of treating a waste anesthetic gas by contacting the laughing gas contained in the waste anesthetic gas with a catalyst comprising one or more metal oxides selected from the group consisting of ferric oxide, cobalt oxide, cupric oxide, chromium oxide, manganese dioxide and nickel oxide to decompose the laughing gas into nitrogen and oxygen. This method is of practical value for preventing the neighborhood of hospitals from environmental pollution problem.
    Type: Grant
    Filed: October 15, 1979
    Date of Patent: March 31, 1981
    Assignee: Kuraray Co., Ltd.
    Inventors: Osamu Nakaji, Seisuke Takashima, Seishiro Nakamura